Full Time OpenShift Engineer Jobs, Salary up to SGD 5,000 in EXCELTECH COMPUTERS PTE. LTD. East Region (Singapore) - Maukerja

We are seeking an OpenShift Engineer, L1Support to provide first-level operational support for enterprise RedHat OpenShift / Kubernetes environments.

This is an infrastructure andplatform operations role. The engineer will support daily monitoring,incident triage, basic troubleshooting, operational checks, user accesssupport, and escalation of platform issues to L2/L3 teams.

The ideal candidate should havehands-on exposure to Linux systems, OpenShift/Kubernetes operations, containerplatforms, networking basics, monitoring tools, and production supportprocesses.

Key Responsibilities

Provide L1 operational support for Red HatOpenShift / Kubernetes platforms.

• Perform daily health checks on OpenShift clusters, nodes, pods, operators, routes, storage, and platform services.
• Monitor cluster availability, resource usage, alerts, and workload status using Prometheus, Grafana, Alertmanager, ELK, Splunk, or equivalent tools.
• Perform first-level troubleshooting for common platform issues, including:
• Pod failures
• CrashLoopBackOff
• Image pull errors
• Node resource pressure
• Route / ingress access issues
• DNS-related issues
• Persistent volume mount issues
• Certificate expiry alerts
• Basic authentication or access issues
• Support routine platform operations such as:
• User and group access requests
• Namespace / project checks
• Pod restarts and rollout validation
• Log collection
• Basic YAML review
• Alert validation
• Evidence collection for incidents and changes
• Escalate complex issues to L2/L3 platform teams with clear initial findings, logs, timestamps, affected components, and business impact.
• Support planned changes, maintenance windows, patching activities, upgrades, and deployment validations under guidance from senior engineers.
• Work with application, DevOps, infrastructure, network, security, and vendor teams to coordinate issue resolution.
• Maintain operational documentation, SOPs, runbooks, shift handover notes, and knowledge base articles.
• Follow enterprise incident, problem, change, and service request processes.
• Participate in shift-based support, standby, or rostered operations where required.

Required Skills &Experience

2 to 4 years of hands-on experience ininfrastructure, Linux, Kubernetes, or OpenShift platform operations.

• Hands-on working knowledge of Red Hat OpenShift or Kubernetes operations.
• Basic Linux system administration and command-line troubleshooting skills.
• Understanding of container concepts using Docker, CRI-O, or containerd.
• Familiarity with Kubernetes/OpenShift core objects, including:
• Pods
• Deployments
• ReplicaSets
• Services
• Routes / Ingress
• ConfigMaps
• Secrets
• PersistentVolumeClaims
• Namespaces / Projects
• Nodes
• Basic OpenShift CLI and Kubernetes CLI usage, including oc and kubectl.
• Ability to read and understand YAML manifests.
• Basic troubleshooting experience using commands such as:
• oc get
• oc describe
• oc logs
• oc events
• oc adm top
• oc rollout status
• oc get nodes
• oc get co
• Basic understanding of OpenShift cluster components such as:
• Control plane
• Worker nodes
• Operators
• Router / ingress
• Registry
• Monitoring stack
• Familiarity with monitoring and alert handling using Prometheus, Grafana, Alertmanager, ELK, Splunk, or similar tools.
• Basic networking knowledge, including DNS, IP addressing, load balancers, HTTP/HTTPS, TLS certificates, routes/ingress, and firewall concepts.
• Basic storage knowledge, including PersistentVolumes, PersistentVolumeClaims, StorageClass, NFS, block storage, or object storage.
• Experience in production support, operations, incident handling, or daily system health checks.
• Ability to collect logs, evidence, and initial findings for escalation.
• Basic scripting ability using Shell or Python is advantageous.
• Strong troubleshooting, analytical, and communication skills.

Preferred Qualifications

Experience supporting OpenShift in enterprise,banking, telecom, government, or regulated environments.

• Exposure to Red Hat OpenShift 4.x.
• Exposure to VMware, bare metal, or cloud-hosted OpenShift environments.
• Basic understanding of AWS, Azure, or GCP infrastructure.
• Exposure to CI/CD tools such as Jenkins, GitLab CI, Argo CD, or Tekton.
• Familiarity with GitOps concepts.
• Basic understanding of certificates, secrets, image registries, and container image scanning.
• Practical experience with ITIL processes such as incident, problem, change, and service request management.
• Red Hat certification such as RHCSA, EX180, EX280, or equivalent is an advantage.